Walsh, David · London : Baillière, Tindall and Cox · leaf 38
itethe centre of one end of the soft iron core, at a distance of about-§■ inch. Fixed in the centre of the hammer, on the face awayfrom the core, is a piece of thick platinum wire, and opposite this,on a stout piece of brass fastened to the base, is a screw carryingin its point another piece of… … 02 H wo HO w Eh O « ■Ph m m « i—iP i—i <j I—IO PnGO w M H W a OO Oh&h <! oO M Xfl Wo J/2 Pa O£ ELECTRICAL APPARATUS AND METHODS 33 the two pieces of platinum when touching each other, into theprimary wire. The current immediately changes the soft ironcore into a magnet which attracts the…
X-rays · Radiography
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